832684561 has 2 divisors, whose sum is σ = 832684562. Its totient is φ = 832684560.

The previous prime is 832684549. The next prime is 832684577. The reversal of 832684561 is 165486238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831745600 + 938961 = 28840^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 832684561 - 2¹⁵ = 832651793 is a prime.

It is not a weakly prime, because it can be changed into another prime (832688561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416342280 + 416342281.

It is an arithmetic number, because the mean of its divisors is an integer number (416342281).

Almost surely, 2^832684561 is an apocalyptic number.

It is an amenable number.

832684561 is a deficient number, since it is larger than the sum of its proper divisors (1).

832684561 is an equidigital number, since it uses as much as digits as its factorization.

832684561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 832684561 is about 28856.2742051014. The cubic root of 832684561 is about 940.7917582236.

The spelling of 832684561 in words is "eight hundred thirty-two million, six hundred eighty-four thousand, five hundred sixty-one".